Combine 1/2 tsp cornstarch with 1 tsp water.Slice meat against the grain into 2 in strips.Whisk egg white until foamy, then add salt and cornstarch.Stir in beef and set aside.In another bowl combine hoisin, vinegar, broth, cornstarch and water and sesame oil.

Using a wok, preheat and add peanut oil.Stir fry beef, undrained, until brown.Stir in ginger.Fry an additional 30 seconds to 1 minute.Add sauce and vegetables.Fry 1-3 minutes until all heated through.